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New

Packaging,
made to vanish.

Plant-based, certified compostable bags engineered to break down at home — and built to feel as considered as the brands they carry.

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A translucent compostable bag mid-decomposition in rich, dark soil. Small green sprouts rise through it — the bag returning, quietly, to earth.

Our principle

If it can’t become soil, it shouldn’t be a bag.

Conventional plastic was engineered to outlive us. Even “bio” and “oxo-degradable” alternatives shed microplastics for decades.

Ground Up bags are different. Made entirely from starches and plant-based polymers, they are certified to fully return to soil — at home, not in a distant industrial facility.

Materials
100% plant-based
Home compost
26 weeks
Microplastics
None
Certified to
EN 13432 · OK Home

The range

Six families. One promise.

Each Ground Up bag is engineered for a specific job — and all of them are certified to disappear, completely, in active compost.

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From soil to soil

The full life of a Ground Up bag.

Designed and certified to close the loop in under a year — and to leave nothing behind.

  1. 01 Season

    Begins in a field

    Cassava and corn starch are pressed from crops grown on land that doesn't compete with food. No fossil feedstock, no virgin polymer.

  2. 02 Days

    Becomes a bag

    The starch is compounded with PBAT — a fully biodegradable polyester — extruded into film and converted into the shape you'll hold.

  3. 03 Weeks

    Carries your day

    Use it like any other bag. It holds groceries, mail, scraps, the same way. The difference shows up at the end.

  4. 04 90 days

    Returns to soil

    Composted at home or in an industrial facility, it breaks down into water, CO₂ and biomass. No microplastics. No trace.

Made for

Built for the kitchens, cafés and brands that care.

Proof

Independently certified. Not just claimed.

Every Ground Up product is tested and certified by recognised third parties. These are the marks you can look for on every bag we ship.

  • TÜV Austria

    OK Compost HOME

    Home composting

    Tested to break down completely in the cooler, slower conditions of a back-garden compost heap — not just industrial facilities.

  • European Standard

    EN 13432

    European compostability

    The European benchmark for compostable packaging: at least 90% disintegration in 12 weeks and 90% biodegradation in 6 months.

  • ASTM International

    ASTM D6400

    Industrial compostability

    The North American specification for plastics designed to compost in municipal and industrial facilities.

  • Biodegradable Products Institute

    BPI Certified

    Verified by BPI

    Independent certification confirming compostability in industrial composting facilities across North America.

See the full breakdown

Journal

Notes from the workshop.

All entries